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Beam 1.0 vs GLM-5.3

GLM-5.3 leads the LLM Stats Score 50.9 to 44.6. Beam 1.0 is 3.2x cheaper per token.

Reflection AI · Zhipu AI · Updated for 2026

Which is better?

GLM-5.3 leads the overall LLM Stats Score 50.9 to 44.6, ranking #16 overall.

In the 4 individual benchmarks reported for both models, GLM-5.3 wins 4; this is a narrower head-to-head signal than the composite indexes.

On price, Beam 1.0 is roughly 3.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Beam 1.0

  • cost matters — it's about 3.2x cheaper per token
  • you want the most recent training data — it shipped Oct 2026

Choose GLM-5.3

  • overall performance matters — it scores 50.9 and ranks #16 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 4 exact shared results

At a glance

The differences that matter most.

Core performance indexes
44.6
#46
50.9
#16
45.5
#37
50.7
#13
33.7
#39
39.4
#13
28.8
#53
37.0
#18
Cost, coverage & limits
Benchmark wins
0 of 4
4 of 4
Input price
$0.40 / M
$1.20 / M
Output price
$1.20 / M
$4.00 / M
Context window
1,048,576
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Beam 1.0
GLM-5.3
26.4#32
30.9#9
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for Beam 1.0 · 17 for GLM-5.3

4 shared

Beam 1.0 outperforms in 0 benchmarks, while GLM-5.3 is better at 4 benchmarks (AutomationBench, DeepSWE 1.1, Humanity's Last Exam, Terminal-Bench 2.1).

GLM-5.3 significantly outperforms across most benchmarks.

Thu Oct 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Beam 1.0 costs less

For input processing, Beam 1.0 ($0.40/1M tokens) is 3.0x cheaper than GLM-5.3 ($1.20/1M tokens).

For output processing, Beam 1.0 ($1.20/1M tokens) is 3.3x cheaper than GLM-5.3 ($4.00/1M tokens).

In conclusion, GLM-5.3 is more expensive than Beam 1.0.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Thu Oct 22 2026 • llm-stats.com
Reflection AI
Beam 1.0
Input tokens$0.40
Output tokens$1.20
Best providerTogether
Zhipu AI
GLM-5.3
Input tokens$1.20
Output tokens$4.00
Best providerDeepinfra
Notice missing or incorrect data?

Model Size

Parameter count comparison

251.7B diff

GLM-5.3 has 251.7B more parameters than Beam 1.0, making it 50.2% larger.

Reflection AI
Beam 1.0
501.3Bparameters
Zhipu AI
GLM-5.3
753.0Bparameters
501.3B
Beam 1.0
753.0B
GLM-5.3

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,048,576 tokens. GLM-5.3 can generate longer responses up to 1,048,576 tokens, while Beam 1.0 is limited to 131,072 tokens.

Reflection AI
Beam 1.0
Input1,048,576 tokens
Output131,072 tokens
Zhipu AI
GLM-5.3
Input1,048,576 tokens
Output1,048,576 tokens
Thu Oct 22 2026 • llm-stats.com

License

Usage and distribution terms

Beam 1.0 is licensed under Apache 2.0, while GLM-5.3 uses GLM-5.3 License.

License differences may affect how you can use these models in commercial or open-source projects.

Beam 1.0

Apache 2.0

Open weights

GLM-5.3

GLM-5.3 License

Open weights

Release Timeline

When each model was launched

Beam 1.0 was released on 2026-10-16, while GLM-5.3 was released on 2026-08-14.

Beam 1.0 is 2 months newer than GLM-5.3.

Beam 1.0

Oct 16, 2026

3 days ago

2mo newer
GLM-5.3

Aug 14, 2026

2 months ago

Knowledge Cutoff

When training data ends

Beam 1.0 has a documented knowledge cutoff of 2026-06-30, while GLM-5.3's cutoff date is not specified.

We can confirm Beam 1.0's training data extends to 2026-06-30, but cannot make a direct comparison without GLM-5.3's cutoff date.

Beam 1.0

Jun 2026

GLM-5.3

—

Provider Availability

Beam 1.0 is available from Together, Reflection AI. GLM-5.3 is available from DeepInfra, FriendliAI, Novita, ZAI.

Beam 1.0

together logo
Together
Input Price:Input: $0.40/1MOutput Price:Output: $1.20/1M
reflection logo
Unknown Organization

GLM-5.3

deepinfra logo
Deepinfra
Input Price:Input: $1.20/1MOutput Price:Output: $4.00/1M
friendli logo
FriendliAI
Input Price:Input: $1.40/1MOutput Price:Output: $4.40/1M
novita logo
Novita
Input Price:Input: $1.40/1MOutput Price:Output: $4.40/1M
z logo
Unknown Organization
Input Price:Input: $1.40/1MOutput Price:Output: $4.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Beam 1.0 and GLM-5.3 side-by-side, then vote on the output you prefer.

Beam 1.0
✓ Preferred
GLM-5.3
Open in Playground

FAQ

Common questions about Beam 1.0 vs GLM-5.3.

Which is better, Beam 1.0 or GLM-5.3?

GLM-5.3 leads the LLM Stats Score 50.9 to 44.6. Beam 1.0 is made by Reflection AI and GLM-5.3 is made by Zhipu AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Beam 1.0 compare to GLM-5.3 in benchmarks?

Beam 1.0 scores AIME 2026: 97.7%, GPQA: 90.6%, LiveCodeBench: 88.3%, SWE-Bench Verified: 81.6%, MCP Atlas: 80.8%. GLM-5.3 scores Terminal-Bench 2.1: 88.2%, CyberGym: 84.5%, FrontierSWE: 78.1%, Toolathlon: 73.0%, DeepSWE 1.1: 66.9%.

Is Beam 1.0 cheaper than GLM-5.3?

Beam 1.0 is 3.0x cheaper for input tokens. Beam 1.0 costs $0.40/M input and $1.20/M output via together. GLM-5.3 costs $1.20/M input and $4.00/M output via deepinfra.

What are the context window sizes for Beam 1.0 and GLM-5.3?

Beam 1.0 supports 1.0M tokens and GLM-5.3 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Beam 1.0 and GLM-5.3?

Key differences include LLM Stats Score (44.6 vs 50.9), input pricing ($0.40 vs $1.20/M), licensing (Apache 2.0 vs GLM-5.3 License). See the full comparison above for benchmark-by-benchmark results.

Who makes Beam 1.0 and GLM-5.3?

Beam 1.0 is developed by Reflection AI and GLM-5.3 is developed by Zhipu AI.